How do check-dams help in improving agricultural water availability and soil quality?
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Correct answer: (A) They increase groundwater levels and reduce soil erosion.
Correct answer: (A) They increase groundwater levels and reduce soil erosion.
This is question 23 of RRB JE CBT-1 PYQ 25 Feb 2026, Shift 3 (4:30 PM). See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.